Chair



FIG. 1 is a front perspective view of a chair showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side perspective view thereof;

FIG. 4 is a side perspective view of a chair showing a second embodiment of my new design;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a side perspective view of a chair showing a third embodiment of my design; and

FIG. 7 is a front elevational view thereof. 

The ornamental design for a chair, substantially as shown and described. 